{"product_id":"mitsubishi-sez-ad12nl-suz-aa12nlhz-12-000-btu-horizontal-ducted-hyper-heat-system","title":"Mitsubishi SEZ-AD12NL \u0026 SUZ-AA12NLHZ 12,000 BTU 16.2 SEER2 Horizontal Ducted Hyper Heat System - R454B - SEZAD12NL\/SUZAA12NLHZ","description":"\u003ch2 data-start=\"0\" data-end=\"100\"\u003eMitsubishi SEZ-AD12NL \u0026amp; SUZ-AA12NLHZ 12,000 BTU 16.2 SEER2 Horizontal Ducted Hyper Heat System - R454B - SEZAD12NL\/SUZAA12NLHZ\u003c\/h2\u003e\n\u003cp data-start=\"102\" data-end=\"633\"\u003eThe Mitsubishi SEZ‑AD12NL horizontal‑ducted indoor unit paired with the SUZ‑AA12NLHZ Hyper‑Heating (H2i) outdoor condenser forms a single‑zone 12,000 BTU system ideal for primary bedrooms, basement suites, or boutique retail spaces that need invisible comfort. Hyper‑Heating INVERTER technology delivers 100 % of rated heat at 5 °F and reliable operation down to –13 °F, while eco‑friendly R‑454B refrigerant and Blue Fin anti‑corrosion coating ensure high efficiency and long service life. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"635\" data-end=\"923\"\u003eWith an ultra‑slim 7‑7\/8 \" profile, the SEZ‑AD12NL hides easily in ceiling cavities or soffits. A built‑in condensate lift pump, joint‑lap DC motor, and factory‑installed base‑pan heater (outdoor) simplify installation and cold‑weather performance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"925\" data-end=\"1156\"\u003eThe system quietly conditions rooms up to about 500 sq ft, producing indoor sound as low as 23 dB(A) and achieving ENERGY STARcertification with 16.2 SEER2 and 9.4 HSPF2 efficiency ratings.\u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1158\" data-end=\"1340\"\u003eControl is flexible: wired or wireless remotes, third‑party thermostat interfaces, and full smartphone scheduling through the kumo cloudapp. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5 data-start=\"1938\" data-end=\"1956\"\u003eFeatures\u003c\/h5\u003e\n\u003cul data-start=\"1957\" data-end=\"2761\"\u003e\n\u003cli data-start=\"1957\" data-end=\"2069\"\u003e\n\u003cp data-start=\"1959\" data-end=\"2069\"\u003e\u003cstrong data-start=\"1959\" data-end=\"1987\"\u003eHyper‑Heating INVERTER:\u003c\/strong\u003e 100 % heat at 5 °F; guaranteed to –13 °F. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2070\" data-end=\"2177\"\u003e\n\u003cp data-start=\"2072\" data-end=\"2177\"\u003e\u003cstrong data-start=\"2072\" data-end=\"2103\"\u003eINVERTER‑Driven Compressor:\u003c\/strong\u003e Precise energy‑saving modulation. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2178\" data-end=\"2292\"\u003e\n\u003cp data-start=\"2180\" data-end=\"2292\"\u003e\u003cstrong data-start=\"2180\" data-end=\"2216\"\u003eUltra‑Slim, Low‑Profile Cabinet:\u003c\/strong\u003e 7‑7\/8 \" height fits tight spaces. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2293\" data-end=\"2406\"\u003e\n\u003cp data-start=\"2295\" data-end=\"2406\"\u003e\u003cstrong data-start=\"2295\" data-end=\"2319\"\u003eBuilt‑In Drain Pump:\u003c\/strong\u003e 21 \" lift for worry‑free condensate removal.\u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2407\" data-end=\"2537\"\u003e\n\u003cp data-start=\"2409\" data-end=\"2537\"\u003e\u003cstrong data-start=\"2409\" data-end=\"2445\"\u003eBase‑Pan Heater \u0026amp; Blue Fin Coil:\u003c\/strong\u003e Cold‑climate protection and corrosion resistance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2538\" data-end=\"2635\"\u003e\n\u003cp data-start=\"2540\" data-end=\"2635\"\u003e\u003cstrong data-start=\"2540\" data-end=\"2560\"\u003eQuiet Operation:\u003c\/strong\u003e Indoor sound as low as 23 dB(A).\u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2636\" data-end=\"2761\"\u003e\n\u003cp data-start=\"2638\" data-end=\"2761\"\u003e\u003cstrong data-start=\"2638\" data-end=\"2660\"\u003eAdvanced Controls:\u003c\/strong\u003e kumo cloud, wired\/wireless remotes, thermostat interface. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5 data-start=\"113\" data-end=\"141\"\u003eWhat Our Experts Think\u003c\/h5\u003e\n\u003cul data-start=\"142\" data-end=\"631\"\u003e\n\u003cli data-start=\"142\" data-end=\"273\"\u003e\n\u003cp data-start=\"144\" data-end=\"273\"\u003e12,000 BTU horizontal-ducted Hyper Heat system ideal for single-zone spaces like bedrooms, basement suites, or boutique retail.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"274\" data-end=\"378\"\u003e\n\u003cp data-start=\"276\" data-end=\"378\"\u003eHyper-Heating INVERTER (H2i) delivers full-rated heat at 5 °F and reliable operation down to –13 °F.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"379\" data-end=\"451\"\u003e\n\u003cp data-start=\"381\" data-end=\"451\"\u003eQuiet, discreet ducted design provides invisible year-round comfort.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"452\" data-end=\"553\"\u003e\n\u003cp data-start=\"454\" data-end=\"553\"\u003eBlue Fin anti-corrosion coating and R454B refrigerant ensure efficiency and long-term durability.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"554\" data-end=\"631\"\u003e\n\u003cp data-start=\"556\" data-end=\"631\"\u003ePerfect for energy-conscious users seeking reliable cold-climate heating.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5 data-start=\"633\" data-end=\"642\"\u003eQ\u0026amp;A\u003c\/h5\u003e\n\u003cul data-start=\"643\" data-end=\"1101\"\u003e\n\u003cli data-start=\"643\" data-end=\"775\"\u003e\n\u003cp data-start=\"645\" data-end=\"775\"\u003e\u003cstrong data-start=\"645\" data-end=\"651\"\u003eQ:\u003c\/strong\u003e What size room is suitable for this system?\u003cbr data-start=\"695\" data-end=\"698\"\u003e\u003cstrong data-start=\"700\" data-end=\"706\"\u003eA:\u003c\/strong\u003e Ideal for small to medium single-zone spaces up to ~600–700 sq ft.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"776\" data-end=\"889\"\u003e\n\u003cp data-start=\"778\" data-end=\"889\"\u003e\u003cstrong data-start=\"778\" data-end=\"784\"\u003eQ:\u003c\/strong\u003e Can it heat efficiently in cold climates?\u003cbr data-start=\"826\" data-end=\"829\"\u003e\u003cstrong data-start=\"831\" data-end=\"837\"\u003eA:\u003c\/strong\u003e Yes, maintains full-rated heating down to –13 °F.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"890\" data-end=\"997\"\u003e\n\u003cp data-start=\"892\" data-end=\"997\"\u003e\u003cstrong data-start=\"892\" data-end=\"898\"\u003eQ:\u003c\/strong\u003e Where can it be installed?\u003cbr data-start=\"925\" data-end=\"928\"\u003e\u003cstrong data-start=\"930\" data-end=\"936\"\u003eA:\u003c\/strong\u003e Horizontal-ducted layout for attics, ceilings, or closets.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"998\" data-end=\"1101\"\u003e\n\u003cp data-start=\"1000\" data-end=\"1101\"\u003e\u003cstrong data-start=\"1000\" data-end=\"1006\"\u003eQ:\u003c\/strong\u003e What refrigerant is used?\u003cbr data-start=\"1032\" data-end=\"1035\"\u003e\u003cstrong data-start=\"1037\" data-end=\"1043\"\u003eA:\u003c\/strong\u003e R454B, a low-GWP, environmentally friendly refrigerant.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5 data-start=\"1103\" data-end=\"1125\"\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cul data-start=\"1126\" data-end=\"1476\"\u003e\n\u003cli data-start=\"1126\" data-end=\"1198\"\u003e\n\u003cp data-start=\"1128\" data-end=\"1198\"\u003eClean or replace filters monthly to maintain airflow and efficiency.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1199\" data-end=\"1283\"\u003e\n\u003cp data-start=\"1201\" data-end=\"1283\"\u003eSchedule annual professional maintenance for refrigerant and system performance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1284\" data-end=\"1349\"\u003e\n\u003cp data-start=\"1286\" data-end=\"1349\"\u003eKeep outdoor unit free of debris to ensure optimal operation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1350\" data-end=\"1410\"\u003e\n\u003cp data-start=\"1352\" data-end=\"1410\"\u003eInspect ductwork and connections periodically for leaks.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1411\" data-end=\"1476\"\u003e\n\u003cp data-start=\"1413\" data-end=\"1476\"\u003eEnsure condensate lines remain clear to prevent water damage.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mitsubishi","offers":[{"title":"Default Title","offer_id":54214814335315,"sku":"SEZAD12NL\/SUZAA12NLHZ","price":2349.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0993\/4179\/5667\/files\/PEADAA18NLPUYAK18NL_22.png?v=1783345829","url":"https:\/\/www.mybackyardzone.com\/products\/mitsubishi-sez-ad12nl-suz-aa12nlhz-12-000-btu-horizontal-ducted-hyper-heat-system","provider":"SanaFlex","version":"1.0","type":"link"}